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INSTALLATION INSTRUCTIONS
— Split System Air Conditioner —
CONTENTS
Model Combinations
IMPORTANT Page
Combine indoor and outdoor units only as listed below.
Please Read Before Starting
Indoor units Outdoor units
1. GENERAL............................................................. 3
XS1852 (PNR-XS2432) C1852, CL1852
1-1. Tools Required for Installation (not supplied)
Power Supply :
1-2. Accessories Supplied with Unit
60Hz, single-phase, 208/230 V
1-3. Optional Copper Tubing Kit
1-4. Type of C
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Important IMPORTANT! When Transporting Please Read Before Starting …………………………………………………………………… Be careful when picking up and moving the indoor and This air conditioning system meets strict safety and outdoor units. Get a partner to help, and bend your knees operating standards. As the installer or service person, it when lifting to reduce strain on your back. Sharp edges or is an important part of your job to install or service the thin aluminum fins on the air conditioner can cut your system so
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1. General Part Name Figure Q’ty This booklet briefly outlines where and how to install Wireless 1 the air conditioning system. Please read over the remote control unit entire set of instructions for the indoor and outdoor AAA alkaline 2 units and make sure all accessory parts listed are with battery the system before beginning. Special screw 1 Tapping screw 4 5 16 mm 1-1. Tools Required for Installation (not supplied) Tapping screw 1. Standard screwdriver 1 TOTA 4 5 16 2. Phillips head screwdri
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1-7. Tubing Length l Refrigerant tubing between the indoor and outdoor Tubing length (L) INDOOR UNIT units should be kept as short as possible. l Select and decide the installation location so that the length of the refrigerant tubing will be within the Elevation difference (H) OUTDOOR limits given in Table 1-2. UNIT 0711_M_I Fig. 1-1 Table 1-2 Models C1852 Tubing Data CL1852 Narrow tube in. (mm) 1/4 (6.35): Thickness 0.0314" (0.8 mm) Tubing size outer dia. Wide tube in. (mm) 5/8 (15.88) : Thick
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2. Selecting the Installation Site Indoor Unit AVOID: l areas where leakage of flammable gas may be expected. l places where large amount of oil mist exist. l direct sunlight. l locations near heat sources which may affect performance of the unit. l locations where external air may enter the room directly. This may cause “sweating” on the air discharge ports, causing them to spray or drip. l locations where the remote control unit will be splashed with water or affected by dampness or humidit
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About 16" (40 cm) Outdoor Unit Exhaust fan NO Hot air AVOID: Heat source l heat sources, exhaust fans, etc. (Fig. 2-2) Out- door l damp, humid or uneven locations. unit DO: 1817_C_I l choose a place as cool as possible. Fig. 2-2 l choose a place that is well ventilated. Obstacle above l allow enough room around the unit for air intake/ exhaust and possible maintenance. (Fig. 2-3) Min. Min. 7 ft. 7 ft. Air intake Min. 6" (15 cm) (2 m) (2 m) Valve side l Install the outdoor unit above Min. 10"
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3. How to Install the Indoor Unit 3-1. Suspending the Indoor Unit This unit uses a drain pump. Use a carpenter’s level to check that the unit is level. 3-2. Preparation for Suspending Hole-in-anchor Hole-in-plug Concrete Insert (1) Fix the suspension bolts securely in the ceiling using the method shown in the diagrams (Figs. 3-1 and 3-2), by attaching them to the ceiling support structure, or by any other method that ensures that the unit will be securely and safely suspended. Suspension bolt (M
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3-3. Placing the Unit Inside the Ceiling (1) When placing the unit inside the ceiling, deter- Full-scale installation diagram mine the pitch of the suspension bolts using the (printed on a cardboard packing) supplied full-scale installation diagram. (Fig. 3-4) The size of the opening for the indoor unit can be confirmed by attaching the full-scale installation diagram beneath the unit. (Fig. 3-4) Tubing and wiring must be laid inside the ceiling when suspending the unit. If the ceiling is alread
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3-4. Installing the Drain Piping Transparent part for Hose band Hard PVC pipe checking drainage (supplied) (not supplied) (1) Prepare standard hard PVC pipe (O.D. 1-3/64 in.) for the drain and use the supplied drain hose and hose band to prevent water leaks. The PVC pipe must be purchased separately. The transparent part allows you to check drain- Drain hose age. (Fig. 3-6) Packing Drain hose adapter (supplied) (supplied) (supplied) 0964_X_I Tighten the hose clamps CAUTION Fig. 3-6 so their lock
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3-5. Checking the Drainage After wiring and piping are completed, use the follow- ing procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth ready to catch and wipe up spilled water. Do not supply power to the unit until the tubing and wiring to the outdoor unit are completed. (1) Take off the tube cover and through the opening, slowly pour about 43 oz. of water into the drain pan to check drainage. (2) Do Test Run to check the drainage after complet-
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n Ceiling Panel Never touch or attempt to CAUTION move the air direction louver by hand or you may damage the unit. Instead, use the remote control unit if you want to change the direction or air flow. 3-6. Before Installing the Ceiling Panel (1) Remove the air-intake grille and air filter from the ceiling panel. (Figs. 3-13 and 3-14) (a) Remove the 2 screws on the latch of the air- intake grille. (Fig. 3-13) Screw (b) Press on the 2 latches of the air-intake grille Latch with your thumb in the
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3-7. Installing the Ceiling Panel (1) Lift the ceiling panel and position it to align the (5) Install the air filter and air-intake grille by perform- ing the steps in section 3-6 in reverse. panel hook with the panel catch of the indoor unit. NOTE NOTE The ceiling panel must be mounted in the correct Rehook the safety string before closing the air-intake direction. Note that the 2 catches of the panel differ in grille. size. Confirm that the catches are correctly matched be- 3-8. When Removing
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3-9. Duct for Fresh Air l Air-intake chamber (including Duct connection box and flange) are attached to the indoor unit when used to take fresh outdoor air. High-performance filter or Super long-life filter can be also installed in the air-intake chamber. (1) SETUP PRIOR TO INSTALLATION l When installing the high performance filter or super long-life filter, the parts and parts numbers of filters to be assembled with the air-intake chamber are listed below. Please check that the correct part num
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(b) INSTALLING THE AIR-INTAKE CHAMBER l Set the air-intake chamber to the indoor unit taking Installation screws care not to set to the incorrect direction. (Fig. 3-17) Socket cover l Fasten the air-intake camber with the accessory screws. (M5 · L125, 4pcs) (Fig. 3-17) (c) INSTALLING THE DUCT CONNECTION BOX l Fasten the duct connection flange to the duct connection box with the accessory screws (M4 · L12, 4 pcs.). (Fig. 3-18) l Put the duct connction box into the rectangular hole Air-intake cham
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4. How to Install the Remote Control Unit n Wireless Remote Control Unit The remote control unit can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote control unit in the following places: l In direct sunlight l Behind a curtain or other place where it is covered l More than 26 ft. away from the air conditioner l In the path of the air conditioner’s airstream l Where it may become extremely ho
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n Wired Remote Control Unit (Option) Electrical Cover plate (1) To access the printed circuit board, remove the component box cover plate of the electrical component box. (2) Attach the remote control connectors securely to the mating connector pins on the printed circuit board. (3) Turn the R.C.U. switch from “WIRELESS” to “WIRED”. (4) Replace the cover plate. Do not supply power to the unit until the tubing and wiring to the outdoor unit is completed. The mounting position for the remote cont
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5. Address Switches If you are installing one indoor unit or one group of indoor units in the same room, it is necessary for you to assign each unit its own address so that each can be operated by its own remote control unit. You assign the addresses by matching the switch position of each indoor unit with the switch position of its remote control unit. The switch of the remote control unit is shown in Fig. 5-1. A B 5-1. Finding the Address Switches Address Remote Control Unit Remove the lid by
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6. Electrical Wiring 6-1. General Precautions on Wiring (7) Regulations on wire diameters differ from locality (1) Before wiring, confirm the rated voltage of the unit to locality. For field wiring rules, please refer to as shown on its nameplate, then carry out the your LOCAL ELECTRICAL CODES (ex. National wiring closely following the wiring diagram. Electric Code: ANSI/NFPA70) before beginning. You must ensure that installation complies with all (2) Provide a power outlet to be used exclusivel
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INDOOR NOTE OUTDOOR UNIT INDOOR UNIT l Conduit's trade size for this unit is 1/2". The (Inter-unit) Power lines conduit can be purchased at a hardware store. B 230/208 V 1 1 Fuse l The fuse located in the outdoor unit provides 230/208 V 2 2 230/208 V power supply protection and may blow when 3 3 power is applied if the system has been 4 A Disconnect L1 incorrectly wired. switch 5 (Field supply) L2 6 (5) Ground the unit in accordance with local codes. G G (6) Be sure to size each wire allowing se
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Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also exist. Therefore, ensure that all wiring is tightly connected. When connecting each power wire to the correspond- ing terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the wire securely with the fixing screw of the terminal plate. 6-5. How to Connect Wiring to the Terminal Solid wire Loop n For solid core wiring (or F-cable) (1) Cut the wire end with a wire
